本欧洲标准涵盖了用于建筑物的平面热增韧碱土金属硅酸盐安全玻璃的合格性和工厂生产控制的评估。 注1这也包括受规定的要求。 注2:对于具有电线或连接的玻璃制品报警或加热的目的，本欧标仅涵盖接线对象的电位差，接地小于50 V a.c.或小于75 V直流

This European Standard covers the evaluation of conformity and the factory production control of flat thermally toughened alkaline earth silicate safety glass for use in buildings. NOTE 1 This also includes requirements subject to regulation. NOTE 2 For glass products with electrical wiring or connections for e.g. alarm or heating purposes, this European Standard covers only wiring subject for electrical potential difference to earth less than 50 V a.c. or less than 75 V d.c.